Dinex DEF Filters are a critical maintenance component for any EPA 10-21 SCR system?providing essential protection for your DEF pump and SCR catalyst against contamination and crystallization damage.;;The DEF filter captures impurities in the Diesel Exhaust Fluid before they reach the precision components of the dosing pump and injector. Neglecting regular DEF filter replacement is one of the most common?and preventable?causes of costly DEF pump failure in commercial trucks and buses.;;Dinex DEF filters are manufactured to OEM quality standards and designed for easy, hassle-free installation. Each filter includes silicone lubricant for fast, proper sealing?a small detail that makes a real difference in service efficiency. We keep these filters in stock for quick delivery to minimize vehicle downtime.;;Service intervals typically call for DEF filter replacement at approximately 100,000 km (62,000 miles)?though always refer to your specific vehicle's owner's manual for the recommended schedule. Following proper maintenance intervals protects your entire DEF system investment and avoids the far more expensive consequence of pump or injector failure. Available for all major Class 6-8 truck and bus platforms with EPA 10-21 systems.

• Prevents DEF crystallization and SCR contamination
• silicone lube included for easy install
• OEM-grade filtration media
• replace at 100K km service interval
• stocked for quick delivery